Q345B Carbon Round Bar
Q345B steel round bar yog ib hom hlau, muaj li ntawm Q + tooj + zoo qib cim + deoxygenation method symbol.Q345B belongs rau low alloy high -strength structural steel, uas yog cov feem ntau lug siv steel qib nrog lub loj tshaj plaws tso zis ntawm cov zoo tib yam uas tsis muaj alloy steels.Qhov kev ua tau zoo ntawm Q345B yog zoo, kev ua tau zoo ntawm Q345B round steel stamping kev ua tau zoo, weldable kev ua tau zoo thiab machinability kev ua tau zoo. Kev siv dav hauv cov choj, tsheb, nkoj, cov tsev, lub nkoj siab, thiab lwm yam. Q stands rau cov txiaj ntsig ntawm cov khoom siv no, ua raws li 345, uas yog, tus nqi ntawm cov khoom siv no, ntawm li 345.
q345B round bar Tshuag tshuaj muaj pes tsawg leeg
|
C |
Mn |
Si |
P |
S |
V |
Nb |
Ti |
|
Tsawg dua los yog sib npaug li 0.20 |
1.00-1.60 |
Tsawg dua los yog sib npaug li 0.55 |
Tsawg dua lossis sib npaug li 0.040 |
Tsawg dua lossis sib npaug li 0.040 |
0.02-0.15 |
0.015-0.060 |
0.02-0.20 |
q345B round hlau bar txhua yam khoom
|
Thickness/hli (mm) |
Lub zog tensile |
Yield zog |
|
Tsawg dua los yog sib npaug li 16 |
470MPa-630MPa |
Ntau dua lossis sib npaug rau 345MPa |
|
>16- Tsawg dua lossis sib npaug li 35 |
Ntau dua lossis sib npaug li 325MPa |
|
|
>35- Tsawg dua lossis sib npaug li 50 |
Ntau dua lossis sib npaug rau 295MPa |
|
|
>50- Tsawg dua los yog sib npaug rau 100 |
Ntau dua lossis sib npaug li 275MPa |
Common steel round bar qeb, qib, qhov loj me thiab tus qauv
| Qeb | Qib | Qhov ntau thiab tsawg | Txuj |
| Carbon qauv steel | Q195, Q215, Q235, Q275 | 16mm-250mm | GB/T700-2006 |
| Tsawg alloy siab zog qauv steel | Q295, Q345, Q390, Q420, Q460 | 16mm-250mm | GB/T1591-2008 |
| Prime Carbon qauv steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45, S45C, C45 | 16mm-250mm | GB/T699-1999 |
| Alloy qauv steel | 30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cr, 40Cr, 20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiB, 45MnV, 20CrNiMo, 35MnBM, 40MnB, 36Mn2V, | 16mm-250mm | GB/T3077-1999 |
| Caij nplooj ntoos hlav hlau | 65Mn, 60Si2Mn, 50CrVA | 16mm-250mm | GB/T1222-84 |
| Bearing Steel | GCr15, GCr15GD, 55SiMoV | 16mm-250mm | GB/T18254-2002 |
| Cov txheej txheem steels yuav tsum ua kom tiav -quench hardenability yuav tsum tau | 20CrMnTi, 30CrMnTi, 20Cr, 40Cr, 30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, q345b, 35MnBM, 40MnB, 45MnV. | 16mm-250mm | GB/T5216-2004 |
| Roj qhov dej structural steel | 37Mn5, 36Mn2V | 16mm-250mm | Q/LYS248-2007 |
| Marine thauj tog rau nkoj saw hlau | CM490, CM690, M30Mn2 | 16mm-250mm | YB/T66-1987 |
| GB/T18669-2002 |
round bar Tshuag steel Khoom duab
Foto GNEE Group
GNEE pab pawg neeg tuaj xyuas
GNEE Group tau koom nrog hauv Indonesian exhibition
Peb muaj cov neeg ua haujlwm pabcuam hauv online. Yog tias koj muaj lus nug txog Q345B Carbon Round Bar, thov xa peb cov lus nug thiab peb yuav teb rau koj hauv ib hnub ua haujlwm.
Cim npe nrov: q345b carbon round bar, Tuam Tshoj q345b carbon round bar manufacturers, lwm tus neeg, Hoobkas
